Initial commit

gst_player/gst_player.h

@@ -0,0 +1,50 @@
+#ifndef GST_PLAYER_H_
+#define GST_PLAYER_H_
+
+#include <map>
+#include <mutex>
+#include <memory>
+#include <string>
+#include <functional>
+
+#include <gst/gst.h>
+#include <gst/app/gstappsink.h>
+
+typedef std::function<void(uint8_t*, int32_t, int32_t)> VideoFrameCallback;
+
+class GstPlayer {
+  public:
+    GstPlayer(const std::vector<std::string>& cmd_arguments);
+
+    ~GstPlayer(void);
+
+    void onVideo(VideoFrameCallback callback);
+
+    void play(const gchar* pipelineString);
+
+  private:
+    std::string pipelineString_;
+    VideoFrameCallback video_callback_;
+
+    GstElement *pipeline = nullptr;
+    GstElement *sink_ = nullptr;
+
+    void freeGst(void);
+
+    static GstFlowReturn newSample(GstAppSink *sink, gpointer gSelf);
+};
+
+class GstPlayers {
+  public:
+    GstPlayer* Get(int32_t id, std::vector<std::string> cmd_arguments = {});
+
+    void Dispose(int32_t id);
+
+  private:
+    std::mutex mutex_;
+    std::map<int32_t, std::unique_ptr<GstPlayer>> players_;
+};
+
+static std::unique_ptr<GstPlayers> g_players = std::make_unique<GstPlayers>();
+
+#endif